linux-kernel - Re: [PATCH 3/5] usb: gadget: gmidi: remove bus powered requirement on bmAttributes

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Message-ID: <56DEEEAC.2040602@felipetonello.com>
Date:	Tue, 8 Mar 2016 15:24:28 +0000
From:	Felipe Ferreri Tonello <eu@...ipetonello.com>
To:	Felipe Balbi <balbi@...nel.org>,
	Krzysztof Opasiak <k.opasiak@...sung.com>,
	linux-usb@...r.kernel.org
Cc:	linux-kernel@...r.kernel.org,
	Michal Nazarewicz <mina86@...a86.com>,
	Clemens Ladisch <clemens@...isch.de>
Subject: Re: [PATCH 3/5] usb: gadget: gmidi: remove bus powered requirement on
 bmAttributes

Hi,

On 08/03/16 14:20, Felipe Balbi wrote:
> 
> Hi,
> 
> Krzysztof Opasiak <k.opasiak@...sung.com> writes:
>> [ text/plain ]
>>
>>
>> On 03/08/2016 02:54 PM, Felipe Ferreri Tonello wrote:
>>  (...)
>>
>>>>
>>>>> sort of preset library of configfs-based gadget drivers, we still need
>>>>> these modules.
>>>>
>>>> there is already a library called libusbg.
>>>
>>> By preset library I meant scripts or little programs that implement the
>>> legacy drivers we have.
>>>
>>
>> libusbgx implements an idea of gadget schemes[1]. That's simple
>> configuration files using libconfig syntax. I don't see any problems to
>> use it to create legacy gadget equivalents. Then you could simply load
>> it using usbg_import_gadget() in C code or gt[2] load from shell.
> 
> cool, bmAttributes and bMaxPower are already there. Nice.
> 

Yes! It is pretty awesome.

-- 
Felipe

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